1. Do Now
When a person gets too cold , his or her body will begin to shiver until the body’s temperature is back to normal. In sentences, explain why this is an example of homeostasis?

2. SUMMARY OF ORGAN SYSTEMS

3. Homeostasis
homeostasis is the body’s way of having a stable internal environment.
Ex:
In order for all of the systems of our body to work together, we must maintain homeostasis.

4. Skeletal System Major Organs: Bones Function:
Provides structure; supports and protects internal organs
Connections to other Systems:
Muscular System, Nervous System, Circulatory System

5. Muscular System Major Organs: Muscles (skeletal, cardiac, and smooth)
Function: Provides structure; supports and moves trunk and limbs
Connection to other Systems:
Skeletal System, Circulatory System, & Nervous System.

6. Circulatory Systems Major Organs: Heart, blood vessels, blood
Path of Blood:
Heart to the body to the heart to lungs
Function: Transport nutrients and wastes to and from all body tissues
Connection to other Systems:
ALL other body systems!

7. Respiratory System Major Organs: Lungs Function:
Carries air into and out of lungs, where gases (oxygen and carbon dioxide)
Connection to other Systems:
ALL because it supplies the body with oxygen and takes out carbon dioxide

8. Carbon Dioxide (CO2) OUT
Respiratory System
Exchange of Gases:
Oxygen (O2)IN
Carbon Dioxide (CO2) OUT

9. Immune System Major Organs: white blood cells
Function: Provides protection against infection and disease
Connection to other Systems:
Circulatory System, Digestive System, Urinary/Excretory System & Nervous System.

10. Digestive System Major Organs:
Mouth, stomach, liver, pancreas, small and large intestines
Function: Stores and digests food; absorbs nutrients; eliminates wastes
Connection to other Systems:
Circulatory System, Excretory System & Nervous System.

11. Digestive System Path of Food: MOUTH ESOUAGHUS STOMACH SMALL INTESTINE
LARGER INTESTINE
ANUS

12. Urinary/Excretory Major Organs: Kidneys, bladder, skin, lungs
Function:
Eliminates waste; maintains water and chemical balance

13. Nervous System Major Organs: Brain, spinal cord, nerves, sense organs
Function:
Controls and coordinates body movements and senses; controls consciousness and creativity; helps monitor and maintain other body systems
Connection to other Systems:
ALL other body systems because it send electrical signals which control their functions.

14. Reproductive System Major Organs:
Ovaries, uterus, mammary glands (females), testes (males)
Function:
Produces offspring
Connection to other Systems:
Nervous System, Circulatory System, & Endocrine System,